Why are the Great Lakes the economic lifeline of the Midwest in the US?
The Great Lakes provide cheap transportation for this area; besides, the upper lakes region is a land of great natural wealth, and the lower lakes region a land of industries.
Why are the Great Lakes the economic lifeline of the Midwest in the US?
The Great Lakes provide cheap transportation for this area; besides, the upper lakes region is a land of great natural wealth, and the lower lakes region a land of industries.
